342412381 has 2 divisors, whose sum is σ = 342412382. Its totient is φ = 342412380.

The previous prime is 342412379. The next prime is 342412387. The reversal of 342412381 is 183214243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274432356 + 67980025 = 16566^2 + 8245^2 .

It is a cyclic number.

It is not a de Polignac number, because 342412381 - 2¹ = 342412379 is a prime.

It is a super-2 number, since 2×342412381² = 234492477324178322, which contains 22 as substring.

Together with 342412379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342412387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171206190 + 171206191.

It is an arithmetic number, because the mean of its divisors is an integer number (171206191).

Almost surely, 2^342412381 is an apocalyptic number.

It is an amenable number.

342412381 is a deficient number, since it is larger than the sum of its proper divisors (1).

342412381 is an equidigital number, since it uses as much as digits as its factorization.

342412381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 342412381 is about 18504.3881552458. The cubic root of 342412381 is about 699.6000306908.

The spelling of 342412381 in words is "three hundred forty-two million, four hundred twelve thousand, three hundred eighty-one".